STEP 1 Put the cream and butter in a saucepan. Heat gently until the butter has melted and the mixture starts to simmer. Put both types of chocolate into a large heatproof bowl then pour the hot cream mixture on top of the chocolate. Leave to sit for a minute or two then stir until all the chocolate has melted, finally stir in the prosecco. Chill the mixture for 4 hours or overnight if you can. STEP 2 Line baking trays with foil. Pipe the mixture, shaping into 25 small balls on the trays. Now put the trays in the freezer for 1 hr or until you’re ready to serve them. Put the milk chocolate for coating into a heatproof bowl and heat in the microwave until melted, stirring after every 30-second blast. Alternatively set the bowl over a pan of simmering water to gently melt the chocolate. Drop a frozen truffle into the melted chocolate and turn it over with a spoon to coat it, then place back onto the foil-lined tray. Repeat with the rest of the truffles. The coating should set in abo...
STEP 1 Put the raspberries and Champagne in a mini food processor or blender (or use a jug and a hand blender). Whizz until the purée is as smooth as you can get it, then use a wooden spoon or spatula to push as much of it through a sieve as you can. Discard the seeds left behind. STEP 2 Put the cream and sugar in a saucepan and warm gently until the sugar melts. Increase the heat until just boiling, then boil vigorously for 2 1/2 mins, stirring constantly. Turn off the heat and stir in the raspberry-Champagne purée. Cool for 15 mins before dividing between 2 small pots or glasses. Chill for 30 mins, then sprinkle over the freeze-dried raspberry pieces and chill for at least 2 hrs more until set (or overnight if you’re making ahead). STEP 3 To serve, remove the possets from the fridge and add some shortbread biscuits